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    EN 61557-15-2014 en Electrical safety in low voltage distribution systems up to 1 000 V a c and 1 500 V d c - Equipment for testing measuring or monitoring of protective measures -.pdf

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    EN 61557-15-2014 en Electrical safety in low voltage distribution systems up to 1 000 V a c and 1 500 V d c - Equipment for testing measuring or monitoring of protective measures -.pdf

    1、BSI Standards PublicationElectrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measuresPart 15: Functional safety requirements for insulation monitoring devices in IT systems and equipment for insulation

    2、 fault location in IT systemsBS EN 61557-15:2014National forewordThis British Standard is the UK implementation of EN 61557-15:2014. It isidentical to IEC 61557-15:2014.The UK participation in its preparation was entrusted to TechnicalCommittee PEL/85, Measuring equipment for electrical and elec-tro

    3、magnetic quantities.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for its correct application. The British Standards Institution 2014.Publi

    4、shed by BSI Standards Limited 2014ISBN 978 0 580 71593 8ICS 17.220.20; 29.080.01; 29.240.01Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 May 2014.Amendments/c

    5、orrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 61557-15:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 61557-15 May 2014 ICS 17.220.20; 29.080.01; 29.240.01 English Version Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c.

    6、- Equipment for testing, measuring or monitoring of protective measures - Part 15: Functional safety requirements for insulation monitoring devices in IT systems and equipment for insulation fault location in IT systems (IEC 61557-15:2014) Scurit lectrique dans les rseaux de distribution basse tensi

    7、on de 1 000 V c.a. et 1 500 V c.c. - Dispositifs de contrle, de mesure ou de surveillance de mesures de protection - Partie 15: Exigences de scurit fonctionnelle pour les contrleurs disolement de rseaux IT et les dispositifs de localisation de dfauts disolement pour rseaux IT (CEI 61557-15:2014) Ele

    8、ktrische Sicherheit in Niederspannungsnetzen bis AC 1 000 V und DC 1 500 V - Gerte zum Prfen, Messen oder berwachen von Schutzmanahmen - Teil 15: Anforderungen zur Funktionalen Sicherheit von Isolationsberwachungsgerten in IT-Systemen und von Einrichtungen zur Isolationsfehlersuche in IT-Systemen (I

    9、EC 61557-15:2014) This European Standard was approved by CENELEC on 2014-03-19. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists an

    10、d bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under

    11、the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Eston

    12、ia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee f

    13、or Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Me

    14、mbers. Ref. No. EN 61557-15:2014 E BS EN 61557-15:2014EN 61557-15:2014 - 2 - Foreword The text of document 85/465/FDIS, future edition 1 of IEC 61557-15, prepared by IEC/TC 85 “Measuring equipment for electrical and electromagnetic quantities“ was submitted to the IEC-CENELEC parallel vote and appro

    15、ved by CENELEC as EN 61557-15:2014. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2014-12-19 latest date by which the national standards conflicting with the document h

    16、ave to be withdrawn (dow) 2017-03-19 This standard is to be used in conjunction with EN 61557-8 and EN 61557-9. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any o

    17、r all such patent rights. This standard covers the Principle Elements of the Safety Objectives for Electrical Equipment Designed for Use within Certain Voltage Limits (LVD). Endorsement notice The text of the International Standard IEC 61557-15:2014 was approved by CENELEC as a European Standard wit

    18、hout any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60300-3-1 NOTE Harmonized as EN 60300-3-1. IEC 60335-1:2001 NOTE Harmonized as EN 60335-1:2002 1)(not modified). IEC 60335-1:2001/A1:2004 NOTE Harmonized as EN 6033

    19、5-1:2002/A1:2004 1)(not modified). IEC 60335-1:2001/A2:2006 + Corr. 08-2006 NOTE Harmonized as EN 60335-1:2002/A2:2006 1)(not modified). IEC 60364-4-41:2005 NOTE Harmonized as HD 60364-4-41:2007 (modified). IEC 60364-5-55:2011 NOTE Harmonized as HD 60364-5-559:2012 (modified). IEC 60364-7-710:2002 N

    20、OTE Harmonized as HD 60364-7-710:2012 (modified). IEC 60730-1:2010 NOTE Harmonized as EN 60730-1:2011 (modified). IEC 60812:2006 NOTE Harmonized as EN 60812:2006 (not modified). IEC 61010-1:2010 + Corr. 05-2011 NOTE Harmonized as EN 61010-1:2010 (not modified). IEC 61025 NOTE Harmonized as EN 61025.

    21、 IEC 61078 NOTE Harmonized as EN 61078. IEC 61165 NOTE Harmonized as EN 61165. IEC 61508-7:2010 NOTE Harmonized as EN 61508-7:2010 (not modified). IEC 61709:1996 NOTE Harmonized as EN 61709:1998 2)(not modified). IEC 61784-3:2007 NOTE Harmonized as EN 61784-3:2008 3)(not modified). IEC 61800-5-2:200

    22、7 NOTE Harmonized as EN 61800-5-2:2007 (not modified). IEC/ISO 31010:2009 NOTE Harmonized as EN 31010:2010 (not modified). ISO 9001:2008 NOTE Harmonized as EN ISO 9001:2008 (not modified). 1)Superseded by EN 60335-1:2012 (IEC 60335-1:2010, mod.) 2)Superseded by EN 61709:2011 (IEC 61709:2011). 3)Supe

    23、rseded by EN 61784-3:2010 (IEC 61784-3:2010). BS EN 61557-15:2014- 3 - EN 61557-15:2014 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and

    24、 are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by common modifications, indicated by (mo

    25、d), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu Publication Year Title EN/HD Year IEC 61326-2-4 2012 Electrical equipment for measurement, control and laboratory use - EMC requiremen

    26、ts - Part 2-4: Particular requirements - Test configurations, operational conditions and performance criteria for insulation monitoring devices according to IEC 61557-8 and for equipment for insulation fault location according to IEC 61557-9 EN 61326-2-4 2013 IEC 61326-3-1 + corr. August 2008 2008 E

    27、lectrical equipment for measurement, control and laboratory use - EMC requirements - Part 3-1: Immunity requirements for safety-related systems and for equipment intended to perform safety-related functions (functional safety) - General industrial applications EN 61326-3-1 2008 IEC 61508-1 2010 Func

    28、tional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements EN 61508-1 2010 IEC 61508-2 2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 2: Requirements for electrical/electronic/programmabl

    29、e electronic safety-related systems EN 61508-2 2010 IEC 61508-3 2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 3: Software requirements EN 61508-3 2010 IEC 61508-4 2010 Functional safety of electrical/electronic/programmable electronic safety-re

    30、lated systems - Part 4: Definitions and abbreviations EN 61508-4 2010 IEC 61508-5 2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 5: Examples of methods for the determination of safety integrity levels EN 61508-5 2010 BS EN 61557-15:2014EN 61557-

    31、15:2014 - 4 - Publication Year Title EN/HD Year IEC 61508-6 2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 6: Guidelines on the application of IEC 61508-2 and IEC 61508-3 EN 61508-6 2010 IEC 61557-1 - Electrical safety in low voltage distributio

    32、n systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 1: General requirements EN 61557-1 - IEC 61557-8 - Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring

    33、 or monitoring of protective measures - Part 8: Insulation monitoring devices for IT systems EN 61557-8 - IEC 61557-9 2009 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 9: Equip

    34、ment for insulation fault location in IT systems EN 61557-9 2009 BS EN 61557-15:2014 2 61557-15 IEC:2014 CONTENTS INTRODUCTION . 8 1 Scope 10 2 Normative references 10 3 Terms, definitions and abbreviations . 11 3.1 Terms and definitions . 11 3.2 Abbreviations . 22 4 Definition of safety functions e

    35、mbedded in IMDs and IFLSs . 23 4.1 General 23 4.2 Definition of safety functions 23 4.2.1 Local insulation warning (LIW) 23 4.2.2 Remote insulation warning (RIW) 24 4.2.3 Local location warning (LLW) 24 4.2.4 Remote location warning (RLW) 24 4.2.5 Remote enabling / disabling command (REDC) . 25 4.2.

    36、6 Local transformer monitoring warning (LTMW) 25 5 Requirements on products implementing safety-related functions 25 5.1 Requirement on non-safety-related functions . 25 5.2 Additional performance requirements for products implementing safety functions 26 5.2.1 General 26 5.2.2 Additional performanc

    37、e requirements for IMDs complying with SIL 1 or SIL 2 . 26 5.2.3 Additional performance requirements for IFLSs complying with SIL 1 or SIL 2 . 26 6 Management of functional safety during the development lifecycle 26 6.1 Management of functional safety for the IT system . 26 6.2 Use of IMDs and IFLSs

    38、 in IT systems. 27 6.3 Safety lifecycle of IMDs and IFLSs in the realisation phase 27 7 Management of functional safety during the realisation lifecycle of IMDs and IFLSs. 28 7.1 General 28 7.2 IMD and IFL design requirement specification (phase 10.1) . 29 7.2.1 Specification of functional safety re

    39、quirements . 29 7.2.2 Provisions for the development of safety functions . 29 7.2.3 Verification plan for the development of safety functions . 30 7.2.4 Validation plan for the development of safety functions . 30 7.2.5 Planning of commissioning, installation and setting into operation 30 7.2.6 Plan

    40、ning of user documentation 31 7.3 IMD and IFLS safety validation planning (phase 10.2) 31 7.3.1 General 31 7.3.2 Functional safety plan . 31 7.4 IMD and IFLS design and development (phase 10.3) . 32 7.4.1 General 32 7.4.2 Design standards 32 7.4.3 Realization . 32 BS EN 61557-15:201461557-15 IEC:201

    41、4 3 7.4.4 Safety integrity and fault detection 32 7.4.5 Safety integrity level (SIL) assignment 33 7.4.6 Hardware requirements 33 7.4.7 Software requirements 33 7.4.8 Review of requirements 33 7.4.9 Requirements for the probability of dangerous failure on demand (PFD) 34 7.4.10 Failure rate data . 3

    42、5 7.4.11 Diagnostic test interval . 35 7.4.12 Architectural constraints . 35 7.4.13 Estimation of safe failure fraction (SFF) 37 7.4.14 Requirements for systematic safety integrity . 37 7.5 IMD and IFLS integration (phase 10.4) . 40 7.5.1 Hardware integration 40 7.5.2 Software integration 40 7.5.3 M

    43、odifications during integration 40 7.5.4 Integration tests 40 7.6 IMD and IFLS documentation related to installation, commissioning, operation and maintenance procedures (phase 10.5) . 41 7.6.1 General 41 7.6.2 Functional specification 41 7.6.3 Compliance information 41 7.6.4 Information for commiss

    44、ioning, installation, setting into operation, operation and maintenance 41 7.7 IMD and IFLS safety validation (phase 10.6) 42 7.7.1 General 42 7.7.2 Test 42 7.7.3 Verification . 42 7.7.4 Validation . 43 7.7.5 EMC requirements 43 8 Requirements for modifications 44 8.1 General 44 8.2 Modification req

    45、uest . 44 8.3 Impact analysis 44 8.4 Authorization 44 9 Proven in use approach . 44 Annex A (informative) Risk analysis and SIL assignment for IMDs and IFLSs 45 A.1 General 45 A.2 SIL assignment for IMDs and IFLSs . 47 A.3 Example of risk graph 48 A.4 Alternative method of SIL assignment quantitativ

    46、e method 49 Annex B (informative) Examples for the determination of PFD, DC and SFF 50 B.1 General 50 B.2 Examples of IMD and IFLS architectures . 51 Annex C (informative) Failure rate databases 52 C.1 General 52 C.2 Failure rate references in current standards . 52 Annex D (informative) Guide to em

    47、bedded software design and development 53 D.1 General 53 BS EN 61557-15:2014 4 61557-15 IEC:2014 D.2 Software element guidelines 53 D.2.1 General 53 D.2.2 Interface with system architecture. 53 D.2.3 Software specifications . 53 D.2.4 Pre-existent software 54 D.2.5 Software design 55 D.2.6 Coding 55

    48、 D.3 Software development process guidelines 55 D.3.1 Development process: software lifecycle 55 D.3.2 Documentation: documentation management 55 D.3.3 Configuration and software modification management 56 D.3.4 Configuration and archiving management . 56 D.3.5 Software modifications management . 57

    49、 D.4 Development tools . 57 D.5 Reproduction of executable code production 57 D.6 Software verification and validation 57 D.7 General verification and validation guidelines 57 D.8 Verification and validation review . 58 D.9 Software testing . 58 D.9.1 General validation 58 D.9.2 Software specification verification: validation tests . 59 D.9.3 Software design verification: software integration tests . 59 D.9.4 Detailed design verification: module tests . 60 Annex E (informative) Information for the assessment of safety functions


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